<template>
  <el-dialog :title="dialogTitle" :visible="visible" width="30%" @close="close">
    <el-form ref="addDept" label-width="120px" :model="formData" :rules="formRules">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" placeholder="2-10个字符" lable-width="100px" />
      </el-form-item>

      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" placeholder="2-10个字符" lable-width="100px" />
      </el-form-item>

      <el-form-item prop="managerId" label="部门负责人">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" lable-width="100px">
          <el-option v-for="item in managerList" :key="item.id" :label="item.username" :value="item.id" />
        </el-select>
      </el-form-item>

      <el-form-item prop="introduce" label="部门介绍">
        <el-input v-model="formData.introduce" placeholder="1-100个字符" type="textarea" lable-width="100px" />
      </el-form-item>

      <el-form-item style="text-align: center;" label-width="0">
        <!-- 按钮 -->
        <el-button type="primary" @click="submitForm">确定</el-button>
        <el-button type="danger" @click="close">取消</el-button>
      </el-form-item>

    </el-form>

  </el-dialog>

</template>

<script>
import { getDepartment, getManagerList, addDepartment, getDepartmentDetailApi, updateRole } from '@/api/department'
export default {
  name: 'AddDept',
  props: {
    visible: {
      type: Boolean,
      default: false
    },
    currentNodeId: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      formRules: {
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur' },
          {
            // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              console.log(this.formData)

              let result = await getDepartment()
              if (this.formData.id) {
                result = result.filter(item => item.id !== this.formData.id)
              }
              // result数组中是否存在 value值
              if (result.some(item => item.code === value)) {
                callback(new Error('部门中已经有该编码了'))
              } else {
                callback()
              }
            },
            trigger: 'blur'
          }
        ], // 部门编码
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur' }
        ], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur' },
          { // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              let result = await getDepartment()
              if (this.formData.id) {
                result = result.filter(item => item.id !== this.formData.id)
              }
              // result数组中是否存在 value值
              if (result.some(item => item.name === value)) {
                callback(new Error('部门中已经有该名称了'))
              } else {
                callback()
              }
            },
            trigger: 'blur'

          }
        ] // 部门名称
        // pid: '' // 父级部门的id 不需要做校验
      },
      managerList: [{ // 部门负责人列表
        value: '选项1',
        label: '黄金糕'
      }, {
        value: '选项2',
        label: '双皮奶'
      }, {
        value: '选项3',
        label: '蚵仔煎'
      }, {
        value: '选项4',
        label: '龙须面'
      }, {
        value: '选项5',
        label: '北京烤鸭'
      }]
    }
  },
  computed: {
    dialogTitle() {
      return this.formData.id ? '编辑部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    submitForm() {
      this.$refs.addDept.validate(async isOK => {
        if (isOK) {
          if (this.formData.id) {
            await updateRole(this.formData)
          } else {
            this.formData.pid = this.currentNodeId // 父级部门的id
            await addDepartment(this.formData)
          }
          // 通知父组件更新
          this.$emit('updateDepartment')
          // 提示消息
          this.$message.success(`新增部门成功`)
          this.close()
        }
      })
    },
    close() {
      this.$refs.addDept.resetFields() // 重置表单
      this.$emit('update:visible', false)
      // 手动清空数据对象
      this.formData = {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人名字
        name: '', // 部门名字
        pid: ''// 部门父级部门id
      }
    },
    async getManagerList() {
      this.managerList = await getManagerList()
    },
    async getDepartmentDetail(id) {
      const res = await getDepartmentDetailApi(id)
      this.formData = res
    }
  }
}
</script>
